print(type(1))
print(type(1.5))
print(type("hello world"))
print(type(True))
print(type(b"1"))
print(None)

#list
a = [1,1.5,"hello world",True,b"1",None]
print(a)

#tuple
a = (1,1.5,"hello world",True,b"1",None)
print(a)

#dict 不能输出None
a = {1,1.5,"hello world",True,b"1",None}
print(a)

#set
a = {"a":1,"b":1.5,"c":"hello world","d":True,"e":b"1","f":None}
print(a)